when 2x2-ax+7 and ax2+7x+12 are divided by (x-3) and(x+1) then reminder is same. find a
Answers
Answered by
3
ANSWER
2x
2
−ax+7 and ax
2
+7x+12 are divided by (x−3) and (x+1) respectively, the remainder is same.
Thus by Remainder Theorem,
2(3)
2
−a(3)+7=a(−1)
2
+7(−1)+12
=>18−3a+7=a−7+12
=>−4a+25=5
=>4a=20
=>a=5
Answered by
7
Answer:
a = 5
hope it help you
please follow me
Attachments:
Similar questions